how do random numbers on computers work?

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For example, is there a formula for a random number?

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Anonymous 0 Comments

aside from many of the answers for modern day methods, there was a retro game development video I watched which went over how they used to get random numbers.

first was obviously, use maths or statistics but this was expensive. second was to use the current frame which in those days was not guaranteed as frames were computed last. the last one, most interestingly, used in I believe ff4 (made by one guy) literally sequentially went through a static set of results.

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